WASHINGTON, March 12 -- Federal Aviation Administration has issued a proposed rule called: Airworthiness Directives; Airbus SAS Airplanes.

The proposed rule was published in the Federal Register on March 12 by Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service.

Summary: The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A300 B4-2C, A300 B4-203, A300 B4-603, A300 B4-605R, A300 B4-622, A300 B4-622R, and A300 F4-605R airplanes. This proposed AD was prompted by reports of cracking of the main landing gear (MLG) support rib 5 lower flange on certain modified airplanes due to incorrect accomplishment of modification instructions. This proposed AD wou...